/**
  * Flush content cache entries by tag
  *
  * @param string $tag A tag value that was assigned to a cache entry in TypoScript, for example "Everything", "Node_[…]", "NodeType_[…]", "DescendantOf_[…]" whereas "…" is the node identifier or node type respectively
  * @return integer The number of cache entries which actually have been flushed
  */
 public function flushByTag($tag)
 {
     return $this->cache->flushByTag($this->sanitizeTag($tag));
 }
 /**
  * Flushes 'findMatchResults' and 'resolve' caches for the given $tag
  *
  * @param string $tag
  * @return void
  */
 public function flushCachesByTag($tag)
 {
     $this->routeCache->flushByTag($tag);
     $this->resolveCache->flushByTag($tag);
 }
 /**
  * Flushes 'findMatchResults' and 'resolve' caches for the given $tag
  *
  * @param string $tag
  * @return void
  */
 public function flushCachesByTag($tag)
 {
     $this->findMatchResultsCache->flushByTag($tag);
     $this->resolveCache->flushByTag($tag);
 }